1 77918b00 2024-03-07 o package apub
 2 77918b00 2024-03-07 o 
 3 77918b00 2024-03-07 o import (
 4 77918b00 2024-03-07 o 	"fmt"
 5 77918b00 2024-03-07 o 	"net/mail"
 6 77918b00 2024-03-07 o 	"strings"
 7 77918b00 2024-03-07 o 
 8 77918b00 2024-03-07 o 	"webfinger.net/go/webfinger"
 9 77918b00 2024-03-07 o )
10 77918b00 2024-03-07 o 
11 b6986e8e 2024-03-12 o // Finger is convenience function returning the corresponding Actor,
12 b6986e8e 2024-03-12 o // if any, of an address resolvable by WebFinger.
13 b6986e8e 2024-03-12 o // It is equivalent to doing webfinger.Lookup then LookupActor.
14 77918b00 2024-03-07 o func Finger(address string) (*Actor, error) {
15 77918b00 2024-03-07 o 	jrd, err := webfinger.Lookup(address, nil)
16 77918b00 2024-03-07 o 	if err != nil {
17 77918b00 2024-03-07 o 		return nil, err
18 77918b00 2024-03-07 o 	}
19 77918b00 2024-03-07 o 	for i := range jrd.Links {
20 77918b00 2024-03-07 o 		if jrd.Links[i].Type == ContentType {
21 77918b00 2024-03-07 o 			return LookupActor(jrd.Links[i].Href)
22 77918b00 2024-03-07 o 		}
23 77918b00 2024-03-07 o 	}
24 77918b00 2024-03-07 o 	return nil, ErrNotExist
25 77918b00 2024-03-07 o }
26 77918b00 2024-03-07 o 
27 2469f664 2024-03-12 o func fingerAll(alist []*mail.Address) ([]Actor, error) {
28 2469f664 2024-03-12 o 	actors := make([]Actor, len(alist))
29 77918b00 2024-03-07 o 	for i, addr := range alist {
30 77918b00 2024-03-07 o 		if strings.Contains(addr.Address, "+followers") {
31 77918b00 2024-03-07 o 			addr.Address = strings.Replace(addr.Address, "+followers", "", 1)
32 77918b00 2024-03-07 o 			a, err := Finger(addr.Address)
33 77918b00 2024-03-07 o 			if err != nil {
34 77918b00 2024-03-07 o 				return actors, fmt.Errorf("finger %s: %w", addr.Address, err)
35 77918b00 2024-03-07 o 			}
36 2469f664 2024-03-12 o 			actors[i] = *a
37 77918b00 2024-03-07 o 			continue
38 77918b00 2024-03-07 o 		}
39 77918b00 2024-03-07 o 		actor, err := Finger(addr.Address)
40 77918b00 2024-03-07 o 		if err != nil {
41 77918b00 2024-03-07 o 			return actors, fmt.Errorf("finger %s: %w", addr.Address, err)
42 77918b00 2024-03-07 o 		}
43 2469f664 2024-03-12 o 		actors[i] = *actor
44 77918b00 2024-03-07 o 	}
45 77918b00 2024-03-07 o 	return actors, nil
46 77918b00 2024-03-07 o }